Introduction

This guide will show users how to replace the battery in the Polar V800. If the battery appears at the end of its life cycle or has become swollen, then the battery may need to be replaced to keep your Polar V800 sport watch operating as it should.

In this guide, the wrist band of the Polar V800 is removed for a clear view of the back panel. If you find it helpful, you may want to remove the wrist strap. Please reference the Watch Band Replacement guide for removal instructions if you wish to do so.
  • In this guide, the wrist band of the Polar V800 is removed for a clear view of the back panel. If you find it helpful, you may want to remove the wrist strap. Please reference the Watch Band Replacement guide for removal instructions if you wish to do so.

  • Ensure your Polar V800 sports watch is powered off before continuing.

  • Remove the eight, 7.4 millimeter-long screws on the back of the watch with a T5 head-type, torque screwdriver.

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Gently separate the watch housing from the back panel.
  • Gently separate the watch housing from the back panel.

  • The watch should come apart easily after removing the screws. If you experience difficulties separating the housing and and back cover, use a spudger to gently pry apart the back panel and the button and screen protector housing.

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  • The waterproofing seal is the red, elastic band that surrounds the display of the watch.

  • Remove the waterproofing seal.

  • During reassembly, align the red seal in the groove surrounding the glass screen on the main watch housing to ensure a watertight seal.

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  • Though not necessary, following the Polar V800 Display Replacement first may make the motherboard easier to remove.

  • Remove the nine, 4.0 millimeter-long screws with a T5 head-type torque screwdriver.

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  • Once all of the screws have been removed, lift the motherboard to expose the battery beneath motherboard.

  • A red wire and a black wire should run between the motherboard and the battery.

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  • The battery is glued down to the back of the watch. It may take some force to detach the battery at the glue joint.

  • Use a spudger to pry the battery from the back of the watch.

    • If your battery is swollen, be very careful in removing the battery. If the packaging is ruptured, the battery will be unsafe to handle with bare hands. The contents of the battery are hazardous.

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  • Gently pull the wires from their solder joints to disconnect them from the body of the watch.

  • To reconnect the wires to their solder joints, they must be soldered on. See the guide linked above for more guidance.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

2 autre(s) ont terminé cette réparation.

Jarod Lyles

Membre depuis le 18/04/2018

602 Réputation

5 tutoriels rédigés

Équipe

Cal Poly, Team S17-G6, Livingston Spring 2018 Membre de l'équipe Cal Poly, Team S17-G6, Livingston Spring 2018

CPSU-LIVINGSTON-S18S17G6

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6 tutoriels rédigés

@jarodlyles Where can I buy those 7.4 mm long screws? I tried to open my V800 and I think I might have ruined the groves on the screw head. Now, the screw driver just rotates and does not screw in. I am thinking of buying new screws to replace the old ones. Please let me know.

kamcat - Réponse

I found so many 3.7 V 350 mAH LiPo batteries with a bit different dimensions. I wan’t to buy the right, before try to change it.

Can you please specify the dimensions of the battery? Or, if possible, a direct link to order one (eBay, Amazon, some shop witch delivery to germany)?

Thanks

KlausiHH - Réponse

I can't find a replacement battery for V800 anywhere.

Hans Ekko - Réponse

Same problem here: where should I buy the replacement battery? Nothing, really nothing found online… :(

Olaf Gottschalk - Réponse

Did you really replaced the battery with a new? Then, why don’t you can answer where to buy a new? Or do you just dismounted it, to show how it can work?

KlausiHH - Réponse

Hi!

From the pictures is not posible to get the information about the battery size or other information.

Would it be posible for you to post this data.

Thanks in advance.

Best Regards

Julio

Julio Mendez - Réponse

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